Features: 10 in 2 out Sound signal selection switcher: support 10 input and 2 output, meet the demand of multiple source switching. Headphones Speaker Switching: It can realize fast switching between headphones and speaker, convenient and flexible. Bidirectional switching 2 into 10 out: support bidirectional switching function, 2 into 10 out design, increase Sound access and output channel. Powerful switching function: provide powerful Sound signal selection and switching function, so that users can freely choose different signal source. Metal structure: Quality metal structure, low-noise precised switching, oxidation and corrosion resistance. Specifications: Color: Black Size: about 192x81x38mm/7.56x3.19x1.5inch Input channel: 10 set of stereoed switching inputs (cannot be simultaneously selected) Output channel: Supports 2 set of stereoed switching outputs (cannot be selected simultaneously) Input switching: The input adopts a ten position interlocking mechanical button for switching Output switching: The output adopts two position self-locking mechanical button for switching Output gain: 0dB Distortion:<0.002% Frequency response: 10Hz-50KHz Impedance: 10KΩ-50KΩ Package Includes: 1x Sound Signal Selection Switcher note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.